Phone/Tablet Start Print: Step 1: Download APP "RTElabel" in google play or ios app store; Step 2: Turn on the RP420 label printer and make a Bluetooth connection in the APP; Step 3: Click the "+" sign to complete the device connection and select the file type to start print

PC Start Print: Step 1:Please download and install the RP420 driver from the USB disk; Step 2: Use the USB cable to connect the printer to your computer; Step 3: Select and open your document, and choose RP4xx in the printer list

Support: iPhone, iPad, Android Phone, Android Tablet, Laptop(Mac/Windows). "RTElabel" APP is free and can provide more creative printing experience to you

Note: Only supports Bluetooth connections with phones and tablets, laptops cannot connect via Bluetooth (only via USB cable)

Printing speed of 150 mm/s, up to 72 sheets 4x6 labels/min. High speed brings high efficiency and helps your business grow faster! 203 DPI makes printing clearer. No ink, no toner, only thermal labels needed. Both fanfold labels and roll labels could be used. Label size: labels width ranges from 1.54" to 4.1"(40-104 mm), such as 4x6, 3x2, 3x1, 2x1 thermal labels and so on